diff --git a/jsonnet/kube-prometheus/prometheus-adapter/prometheus-adapter.libsonnet b/jsonnet/kube-prometheus/prometheus-adapter/prometheus-adapter.libsonnet
index e093c37572582bdd183e94b02a2282ab245203fc..97e41f81c2800a68de2a169fd8d258ee5d6dd27d 100644
--- a/jsonnet/kube-prometheus/prometheus-adapter/prometheus-adapter.libsonnet
+++ b/jsonnet/kube-prometheus/prometheus-adapter/prometheus-adapter.libsonnet
@@ -54,7 +54,7 @@ local k = import 'ksonnet/ksonnet.beta.4/k.libsonnet';
             },
             containerLabel: 'container'
           },
-          window: 5,
+          window: '5m',
         },
       }
     },
diff --git a/manifests/prometheus-adapter-configMap.yaml b/manifests/prometheus-adapter-configMap.yaml
index 7bbe7b14002ea28504aaca6981d23cadac018cbd..b2bde3cd1fe3d702149c586831c4ce53d1e8a194 100644
--- a/manifests/prometheus-adapter-configMap.yaml
+++ b/manifests/prometheus-adapter-configMap.yaml
@@ -26,7 +26,7 @@ data:
               "resource": "namespace"
             "pod":
               "resource": "pod"
-      "window": 5
+      "window": "5m"
 kind: ConfigMap
 metadata:
   name: adapter-config